Thomas A. Carlson (eds.), "Theophilos of Edessa" in The Gorgias Encyclopedic Dictionary of the Syriac Heritage last modified September 4, 2013, http://syriaca.org/bibl/562 L. Van Rompay Theophilos of Edessa Sebastian P. Brock Aaron M. Butts George A. Kiraz Lucas Van Rompay The Gorgias Encyclopedic Dictionary of the Syriac Heritage http://syriaca.org/bibl/1 Gorgias Press Piscataway, NJ 2011 409-410 http://syriaca.org/bibl/562